package com.hcc.security.util;

import java.security.MessageDigest;

/**
 * @Author: HC
 * @Date: 2019/4/23 17:04
 * @Version 1.0
 */
public class MD5Util {
  private static final String SALT = "!@#";

  public static String encode(String password) {
    password = password + SALT;
    MessageDigest md5 = null;
    try {
      md5 = MessageDigest.getInstance("MD5");
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
    char[] charArray = password.toCharArray();
    byte[] byteArray = new byte[charArray.length];

    for (int i = 0; i < charArray.length; i++)
      byteArray[i] = (byte) charArray[i];
    byte[] md5Bytes = md5.digest(byteArray);
    StringBuffer hexValue = new StringBuffer();
    for (int i = 0; i < md5Bytes.length; i++) {
      int val = ((int) md5Bytes[i]) & 0xff;
      if (val < 16) {
        hexValue.append("0");
      }
      hexValue.append(Integer.toHexString(val));
    }
    return hexValue.toString();
  }
}
